Lifting device



FIG. 1 is a front elevational view of the lifting device of the present invention;

FIG. 2 is a rear elevational view of the lifting device of FIG. 1;

FIG. 3 is a right side elevational view of the lifting device of FIG. 1, the left view being a mirror image thereof;

FIG. 4 is a top plan view of the lifting device of FIG. 1; and,

FIG. 5 is a bottom plan view of the lifting device of FIG. 1. 

The ornamental design for a lifting device, as shown and described. 